https://www.health.nsw.gov.au/environment/domesticwastewater/Pages/gts.aspx
Greywater treatment systems
Register of certificates of accreditation for greywater treatment systems under Section 41(1) Local Government (General) Regulation 2021.
greywater treatmentsystems
https://www.sustainable.com.au/
Sustainable Technologies & Planning | Greywater Treatment, Solar Resources, Permaculture and...
A useful collection of resources for sustainable living including new technologies and earth friendly products.
sustainable technologiesgreywater treatmentsolar resourcesplanningpermaculture